Finding the Fourth Proportional to 81,953.60, 113,100.18 and 50,112.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,953.60 : 113,100.18 = 50,112.52 : x
2. Step 2: Convert to fraction form
   81,953.60/113,100.18 = 50,112.52/x
3. Step 3: Cross multiply
   81,953.60x = 113,100.18 × 50,112.52
4. Step 4: Simplify right side
   81,953.60x = 5,667,735,032.25
5. Step 5: Solve for x
   x = 5,667,735,032.25/81,953.60
6. Step 6: Final answer
   x = 69,157.85